Home / 6,849.36-10,272.42-2,687.94

Finding the Fourth Proportional to 6,849.36, 10,272.42 and 2,687.94

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Solution

The fourth proportional to 6,849.36, 10,272.42 and 2,687.94 is: 4,031.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,849.36 : 10,272.42 = 2,687.94 : x
  2. Step 2: Convert to fraction form
    6,849.36/10,272.42 = 2,687.94/x
  3. Step 3: Cross multiply
    6,849.36x = 10,272.42 × 2,687.94
  4. Step 4: Simplify right side
    6,849.36x = 27,611,648.61
  5. Step 5: Solve for x
    x = 27,611,648.61/6,849.36
  6. Step 6: Final answer
    x = 4,031.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.